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Whatcolume will 500 mL of gas at 20 degrees celsius and a pressure of 420 mm Hg occupy if the temperature is reduced to -80 degrees celsius and the pressure increased to 650 mm Hg?
For the reaction: 2NO(g)+2H2(g)-->2H2O(g) at equilibrium in a 4.0L container at 25oC. Suppose 2.5 mol of each component initally is put into the container. At equilibrium 2.5 mol of NO is present. What is Kc for the reaction at the temperature?
How much heat is required to convert 27.0 grams of ethanol at 28 degrees celcius to the vapor phase at 78 degrees celcius?
ICE Problem: Calculate Final Concentrations, Phosgene, COCl2 (g), is an extremely toxic gas. It was used during World War I. Today it is used to manufacture pesticides, pharmaceuticals, dyes, and polymers. It is prepared by mixing carbon monoxide ..
How many moles of H2SO4 must be present to react completely with the NaOH delivered from the buret.
A 280- mL flask contains pure helium at a pressure of 757 torr. A second flask with a volume of 465 mL contains pure argon at a pressure of 715 torr.
You prepare a buffer solution by dissolving 1.77 g each of benzoic acid, HC7H5O2, and sodium benzoate, NaC7H5O2, in 900.0 mL of water.The pH of the buffer is 4.19. How much (in grams) of the buffer (benzoic acid), would you add to the 900.0 mL of ..
How much limestone must be decomposed by heating to produce 250.0 grams of lime, CaO?assuming that the limestone contains 95.0% pure CaCO3.
What is the approximate ratio of the molar concentrations of CO_2(aq) in the soda before it is opened to that in the soda after it has been opened and reached equilibrium with the surrounding atmosphere
A sample that weighs 0.1586 grams contains only sodium chloride and potassium chloride was dissolved in water. It took 22.90 mL of 0.1000 AgNO3 to precipitate all of the chloride present.
A gas-filled balloon having a volume of 6.00 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 10-3 atm, respectively. Calculate the final v..
Gas ammonia can be decomposed to give 3.00 by mass of hydrogen and 14.0 by mass of nitrogen.what mass of nitrogen is obtained.
The Ka of acetic acid is 1.85 x 10-5. What would be the pH of a buffer prepared by mixing 50.0 mL of 1.0 M potassium acetate with 50.0 mL of 1.0 M acetic acid?
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